Dear Bob, Many thanks for your repsonse! Bob Friesenhahn (2023/09/11 11:28 -0500): > On Mon, 11 Sep 2023, Sébastien Hinderer wrote: > > > Dear all, > > > > I am writing with a quesiton about the AC_SYS_LARGEFILE macro. > > > > It would be great to be able to use it but according to its > > documentation, the macro adds its flags to the CC output variable, which > > is not convenient in my context because we have dedicated variables not > > only for C flags but also for C preprocessor flags. Thus, what I'd > > ideally need is a version of the macro where I can somehow specify what to > > do with both large-file related CFLAGS and CPPFLAGS. > > The pre-processor and linker options produced are not like normal > pre-processor and linker options so they are treated differently. If they > are not submitted via CC / LD, then the final result might not work > properly. That's surprising to me. Even if those options are needed all the way down, why wouldn't CFLAGS be enough? Also for a -D optionI am assuminigthat there is only the C preprocessor whichknos what to do with it? Best wishes, Sébastien.